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Finding the Fourth Proportional to 32,018.50, 48,028.02 and 11,242

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Solution

The fourth proportional to 32,018.50, 48,028.02 and 11,242 is: 16,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,018.50 : 48,028.02 = 11,242 : x
  2. Step 2: Convert to fraction form
    32,018.50/48,028.02 = 11,242/x
  3. Step 3: Cross multiply
    32,018.50x = 48,028.02 × 11,242
  4. Step 4: Simplify right side
    32,018.50x = 539,931,000.84
  5. Step 5: Solve for x
    x = 539,931,000.84/32,018.50
  6. Step 6: Final answer
    x = 16,863.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.